User:Cbernhar: Difference between revisions
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Created page with "Patent 4781139: One man manual boat hull cleaning device Date issued: August 18, 1986 The idea behind this patent was to create a device which could clean the bottom of a boat hu..." |
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Revision as of 15:00, 24 January 2011
Patent 4781139: One man manual boat hull cleaning device Date issued: August 18, 1986 The idea behind this patent was to create a device which could clean the bottom of a boat hull without necessitating lifting the boat out of the water or diving underneath while it is still in the water.
